Question

A study was designed to compare the attitudes of two groups of nursing students towards computers. Group 1 had previously taken a statistical methods course that involved significant computer interaction. Group 2 had taken a statistic methods course that did not use computers. The students' attitudes were measured by administering the Computer Anxiety Rating Scale (CARS). A random sample of 19 nursing students from Group 1 resulted in a mean score of 62.1 with a standard deviation of 4.4. A random sample of 12 nursing students from Group 2 resulted in a mean score of 71.3 with a standard deviation of 7.1. Can you conclude that the mean score for Group 1 is significantly lower than the mean score for Group 2? Let μ1 represent the mean score for Group 1 and μ2 represent the mean score for Group 2. Use a significance level of α=0.1 for the test. Assume that the population variances are equal and that the two populations are normally distributed. Step 1 of 4 : State the null and alternative hypotheses for the test. Step 2 of 4 :compute the value if the test statistic Step 3 of 4 : determine the decision rule for the null hypothesis, round to 3 decimal places. Step 4 of 4 Reject or fail hypothesis?

Answer 1

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